25270661212 has 12 divisors (see below), whose sum is σ = 44225543376. Its totient is φ = 12634791680.

The previous prime is 25270661209. The next prime is 25270661239. The reversal of 25270661212 is 21216607252.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17989 + ... + 225532.

It is an arithmetic number, because the mean of its divisors is an integer number (3685461948).

Almost surely, 2^25270661212 is an apocalyptic number.

It is an amenable number.

25270661212 is a deficient number, since it is larger than the sum of its proper divisors (18954882164).

25270661212 is a wasteful number, since it uses less digits than its factorization.

25270661212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269468 (or 269466 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 25270661212 in words is "twenty-five billion, two hundred seventy million, six hundred sixty-one thousand, two hundred twelve".